| article html file updated | 8 February 2020 16:18 CET | Update | https://www.mdpi.com/2075-4663/5/3/69 |
| article html file updated | 27 September 2019 04:03 CEST | Update | N/A |
| article html file updated | 3 May 2019 01:48 CEST | Update | N/A |
| article html file updated | 30 September 2017 10:08 CEST | Update | N/A |
| article html file updated | 15 September 2017 11:53 CEST | Original file | N/A |
| article xml uploaded. | 15 September 2017 11:51 CEST | Original file | https://www.mdpi.com/2075-4663/5/3/69/xml |
| article pdf uploaded. | 15 September 2017 11:51 CEST | Version of Record | https://www.mdpi.com/2075-4663/5/3/69/pdf |
